Senior Linux System Administrator - Cyber Training Systems

Join Our Team as a Senior Linux System Administrator! Are you ready to take your career to the next level? We are seeking a highly skilled Senior Linux System Administrator to support innovative Cyber Training Systems and Synthetic Environment Generation programs. This is your chance to work with a diverse array of systems and play a vital role in enhancing operational efficiency and cybersecurity. Key Responsibilities: Design, implement, operate, and maintain complex information systems across various architectures. Manage day-to-day operations, upgrades, and maintenance for both workstations and servers. Coordinate and perform complex software installations while adhering to IT policies. Monitor and optimize performance levels of multiple systems, ensuring reliability. Implement robust data integrity and media recoverability solutions through effective backup strategies. Develop standardized operating procedures to streamline system enhancements and compliance. Conduct regular audits of hardware and software to meet established standards. Respond rapidly to issues and lead resolutions to minimize downtime. Manage user accounts and adhere to access control protocols. Stay current with network security practices and basic networking principles. Basic Qualifications: Bachelor's Degree with 8+ years of relevant experience or a Master's Degree with 6+ years of experience. U.S. Citizenship with the ability to obtain and maintain at least a Secret security clearance. Active CompTIA Security+ CE certification. Strong experience with Linux RHEL & Debian, Windows, AWS, and Azure platforms. Proficient in installing and troubleshooting operating systems and custom software. Experience with local area networks (LAN) and wide area networks (WAN). Demonstrated skills in enterprise virtualization technologies, including VMware. Ability to work independently while effectively collaborating with teams. Preferred Qualifications: Experience conducting Analysis of Alternatives (AoA) for emerging technologies. Familiarity with Windows 11 and servers, as well as multiple Linux distributions. Knowledge of DNS/DHCP technologies and enterprise network management tools. Understanding of ITIL frameworks and regulatory requirements. Ready to Make a Difference? If you are passionate about technology and eager to contribute your expertise, we invite you to share your resume with us today! Original Posting: July 3, 2025 | Pay Range: $89,700.00 - $162,150.00